James beyant



(ModeL) J. BRYANT. DENTAL PLATE.

No; 245,607? Patented Aug. 16,1881.

Wiirz/ewwar UNITED STATES PATENT OFFICE.

JAMES BRYANT, OF INDIANAPOLIS, INDIANA.

DENTAL PLATE.

SPECIFICATION forming part of Letters Patent No. 245,607, dated August16, 1881.

Application filed May 4, 1881.

To all whom it may concern:

Be it known that I, JAMES BRYANT, a citizen of the United States,residing at Indianapolis, in the county of Marion and State of Indiana,have invented certain new and useful Improvements in Dental Plates; andI do hereby declare the following to be a full, clear, and exactdescription of the invention, such as will enable others skilled in theart to which it appertains'to make and use the same, reference heing hadto the accompanying drawings, and to letters or figures of referencemarked thereon, which form a partof this specification.

My invention consists of certain new improvements in dental plates,which will befully understood by the following description and claim.

Figure 1 is a perspective view of improved dental plate for the upperjaw. Fig. 2 is a transverse vertical section of the same. Fig. 3 is asection of the plate for the under jaw. Fig. 4 is a detached section ofa tooth and also of a small plate of hard metal riveted thereto.

ln applying my invention 1 make the main central or inner plate, A, ofhard metal. This plate extends nearly to the inner edge of the crown ofthe gums, but not so as to bear on the gums, which are to have a grooveof softer metal, as will be soon explained.

(Model.)

Each separate tooth is to be provided with a small plate, G, of hardmetal, and this plate is fastened to the tooth by rivets i, Fig. 4. Inthis plate there are small notches g, to facilitate the clench of thesoft metal yet to be described.

The hard inner plate, A, is put into a mold formed in the usual way, andthe teeth also set in place, with the plate Gr riveted thereon. Now, thesoft molten metal is poured into the mold, thus uniting the hard innerplateand the tooth, and at the same time forming a groove of soft metalfor the crown of the gums to bear against, as seen at C, Fig. 1; or, theteeth may he soldered to the soft-metal rim 0.

Having thus described my invention, what I claim, and desire to secureby Letters Patent, 1s

A dental plate consisting of the hard-metal inner plate, A, andsoft-metal rim 0, combined with the backing-plates Gr,having notches gg, and being soldered to both the inner plate, A, and rim 0,substantially as set forth.

In testimony whereof I affix my signature in presence of two witnesses.

' JAMES BRYANT.

Witnesses:

FRED. J. GOULD, PERRY SMALL.

